7.8high

CVE-2020-1027KEVin critical feed

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation…

Published 6 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · CNA
CISA KEV
Yes
added 2022-05-23
EPSS
4.7%
percentile 92%
Public exploits
0
none known

Summary

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0913, CVE-2020-1000, CVE-2020-1003.

Known exploited (CISA KEV)

Added
4 y ago
Due date
2022-06-13 (4 y ago)
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Vendor / product
Microsoft / Windows
CISA name
Microsoft Windows Kernel Privilege Escalation Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction (EPSS)

4.72% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Windows
  • Microsoft Windows Server
  • Microsoft Windows 10 Version 1909 for 32-bit Systems
  • Microsoft Windows 10 Version 1909 for x64-based Systems
  • Microsoft Windows 10 Version 1909 for ARM64-based Systems
  • Microsoft Windows Server, version 1909 (Server Core installation)
  • Microsoft Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Windows 10 Version 1903 for x64-based Systems
  • Microsoft Windows 10 Version 1903 for ARM64-based Systems
  • Microsoft Windows Server, version 1903 (Server Core installation)

Classification

Weakness

References

  • portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2020-1027 · x_refsource_MISC, x_transferred
  • packetstormsecurity.com /files/168068/Windows-sxs-CNodeFactory-XMLParser_Element_doc_assembly_assemblyIdentity-Hea · x_refsource_MISC, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1027 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.